Finding the Fourth Proportional to 7,035.82, 9,708.78 and 3,891.94

Step by Step Solution

1. Step 1: Write the proportion equation
   7,035.82 : 9,708.78 = 3,891.94 : x
2. Step 2: Convert to fraction form
   7,035.82/9,708.78 = 3,891.94/x
3. Step 3: Cross multiply
   7,035.82x = 9,708.78 × 3,891.94
4. Step 4: Simplify right side
   7,035.82x = 37,785,989.23
5. Step 5: Solve for x
   x = 37,785,989.23/7,035.82
6. Step 6: Final answer
   x = 5,370.52